.. py:module:: PIL.ImageDraw
.. py:currentmodule:: PIL.ImageDraw
:py:mod:`ImageDraw` Module
The :py:mod:`ImageDraw` module provide simple 2D graphics for :py:class:`~PIL.Image.Image` objects. You can use this module to create new images, annotate or retouch existing images, and to generate graphics on the fly for web use.
For a more advanced drawing library for PIL, see the aggdraw module.
from PIL import Image, ImageDraw
im = Image.open("lena.pgm")
draw = ImageDraw.Draw(im)
draw.line((0, 0) + im.size, fill=128)
draw.line((0, im.size[1], im.size[0], 0), fill=128)
del draw
# write to stdout
im.save(sys.stdout, "PNG")The graphics interface uses the same coordinate system as PIL itself, with (0, 0) in the upper left corner.
To specify colors, you can use numbers or tuples just as you would use with :py:meth:`PIL.Image.Image.new` or :py:meth:`PIL.Image.Image.putpixel`. For “1”, “L”, and “I” images, use integers. For “RGB” images, use a 3-tuple containing integer values. For “F” images, use integer or floating point values.
For palette images (mode “P”), use integers as color indexes. In 1.1.4 and later, you can also use RGB 3-tuples or color names (see below). The drawing layer will automatically assign color indexes, as long as you don’t draw with more than 256 colors.
See :ref:`color-names` for the color names supported by Pillow.
PIL can use bitmap fonts or OpenType/TrueType fonts.
Bitmap fonts are stored in PIL’s own format, where each font typically consists of a two files, one named .pil and the other usually named .pbm. The former contains font metrics, the latter raster data.
To load a bitmap font, use the load functions in the :py:mod:`~PIL.ImageFont` module.
To load a OpenType/TrueType font, use the truetype function in the :py:mod:`~PIL.ImageFont` module. Note that this function depends on third-party libraries, and may not available in all PIL builds.
from PIL import Image, ImageDraw, ImageFont
# get an image
base = Image.open('Pillow/Tests/images/lena.png').convert('RGBA')
# make a blank image for the text, initialized to transparent text color
txt = Image.new('RGBA', base.size, (255,255,255,0))
# get a font
fnt = ImageFont.truetype('Pillow/Tests/fonts/FreeMono.ttf', 40)
# get a drawing context
d = ImageDraw.Draw(txt)
# draw text, half opacity
d.text((10,10), "Hello", font=fnt, fill=(255,255,255,128))
# draw text, full opacity
d.text((10,60), "World", font=fnt, fill=(255,255,255,255))
out = Image.alpha_composite(base, txt)
out.show().. py:class:: PIL.ImageDraw.Draw(im, mode=None)
Creates an object that can be used to draw in the given image.
Note that the image will be modified in place.
:param im: The image to draw in.
:param mode: Optional mode to use for color values. For RGB
images, this argument can be RGB or RGBA (to blend the
drawing into the image). For all other modes, this argument
must be the same as the image mode. If omitted, the mode
defaults to the mode of the image.
.. py:method:: PIL.ImageDraw.Draw.arc(xy, start, end, fill=None)
Draws an arc (a portion of a circle outline) between the start and end
angles, inside the given bounding box.
:param xy: Four points to define the bounding box. Sequence of
``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``.
:param start: Starting angle, in degrees. Angles are measured from
3 o'clock, increasing clockwise.
:param end: Ending angle, in degrees.
:param fill: Color to use for the arc.
.. py:method:: PIL.ImageDraw.Draw.bitmap(xy, bitmap, fill=None)
Draws a bitmap (mask) at the given position, using the current fill color
for the non-zero portions. The bitmap should be a valid transparency mask
(mode “1”) or matte (mode “L” or “RGBA”).
This is equivalent to doing ``image.paste(xy, color, bitmap)``.
To paste pixel data into an image, use the
:py:meth:`~PIL.Image.Image.paste` method on the image itself.
.. py:method:: PIL.ImageDraw.Draw.chord(xy, start, end, fill=None, outline=None)
Same as :py:meth:`~PIL.ImageDraw.Draw.arc`, but connects the end points
with a straight line.
:param xy: Four points to define the bounding box. Sequence of
``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``.
:param outline: Color to use for the outline.
:param fill: Color to use for the fill.
.. py:method:: PIL.ImageDraw.Draw.ellipse(xy, fill=None, outline=None)
Draws an ellipse inside the given bounding box.
:param xy: Four points to define the bounding box. Sequence of either
``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``.
:param outline: Color to use for the outline.
:param fill: Color to use for the fill.
.. py:method:: PIL.ImageDraw.Draw.line(xy, fill=None, width=0)
Draws a line between the coordinates in the **xy** list.
:param xy: Sequence of either 2-tuples like ``[(x, y), (x, y), ...]`` or
numeric values like ``[x, y, x, y, ...]``.
:param fill: Color to use for the line.
:param width: The line width, in pixels. Note that line
joins are not handled well, so wide polylines will not look good.
.. versionadded:: 1.1.5
.. note:: This option was broken until version 1.1.6.
.. py:method:: PIL.ImageDraw.Draw.pieslice(xy, start, end, fill=None, outline=None)
Same as arc, but also draws straight lines between the end points and the
center of the bounding box.
:param xy: Four points to define the bounding box. Sequence of
``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``.
:param start: Starting angle, in degrees. Angles are measured from
3 o'clock, increasing clockwise.
:param end: Ending angle, in degrees.
:param fill: Color to use for the fill.
:param outline: Color to use for the outline.
.. py:method:: PIL.ImageDraw.Draw.point(xy, fill=None)
Draws points (individual pixels) at the given coordinates.
:param xy: Sequence of either 2-tuples like ``[(x, y), (x, y), ...]`` or
numeric values like ``[x, y, x, y, ...]``.
:param fill: Color to use for the point.
.. py:method:: PIL.ImageDraw.Draw.polygon(xy, fill=None, outline=None)
Draws a polygon.
The polygon outline consists of straight lines between the given
coordinates, plus a straight line between the last and the first
coordinate.
:param xy: Sequence of either 2-tuples like ``[(x, y), (x, y), ...]`` or
numeric values like ``[x, y, x, y, ...]``.
:param outline: Color to use for the outline.
:param fill: Color to use for the fill.
.. py:method:: PIL.ImageDraw.Draw.rectangle(xy, fill=None, outline=None)
Draws a rectangle.
:param xy: Four points to define the bounding box. Sequence of either
``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``. The second point
is just outside the drawn rectangle.
:param outline: Color to use for the outline.
:param fill: Color to use for the fill.
.. py:method:: PIL.ImageDraw.Draw.shape(shape, fill=None, outline=None)
.. warning:: This method is experimental.
Draw a shape.
.. py:method:: PIL.ImageDraw.Draw.text(xy, text, fill=None, font=None, anchor=None, spacing=0, align="left")
Draws the string at the given position.
:param xy: Top left corner of the text.
:param text: Text to be drawn. If it contains any newline characters,
the text is passed on to multiline_text()
:param fill: Color to use for the text.
:param font: An :py:class:`~PIL.ImageFont.ImageFont` instance.
:param spacing: If the text is passed on to multiline_text(),
the number of pixels between lines.
:param align: If the text is passed on to multiline_text(),
"left", "center" or "right".
:param outline: Color to use to draw an outline around the text.
.. py:method:: PIL.ImageDraw.Draw.multiline_text(xy, text, fill=None, font=None, anchor=None, spacing=0, align="left")
Draws the string at the given position.
:param xy: Top left corner of the text.
:param text: Text to be drawn.
:param fill: Color to use for the text.
:param font: An :py:class:`~PIL.ImageFont.ImageFont` instance.
:param spacing: The number of pixels between lines.
:param align: "left", "center" or "right".
:param outline: Color to use to draw an outline around the text.
.. py:method:: PIL.ImageDraw.Draw.textsize(text, font=None, spacing=0)
Return the size of the given string, in pixels.
:param text: Text to be measured. If it contains any newline characters,
the text is passed on to multiline_textsize()
:param font: An :py:class:`~PIL.ImageFont.ImageFont` instance.
:param spacing: If the text is passed on to multiline_textsize(),
the number of pixels between lines.
.. py:method:: PIL.ImageDraw.Draw.multiline_textsize(text, font=None, spacing=0)
Return the size of the given string, in pixels.
:param text: Text to be measured.
:param font: An :py:class:`~PIL.ImageFont.ImageFont` instance.
:param spacing: The number of pixels between lines.
The :py:class:`~PIL.ImageDraw.Draw` class contains a constructor and a number of methods which are provided for backwards compatibility only. For this to work properly, you should either use options on the drawing primitives, or these methods. Do not mix the old and new calling conventions.
.. py:function:: PIL.ImageDraw.ImageDraw(image)
:rtype: :py:class:`~PIL.ImageDraw.Draw`
.. py:method:: PIL.ImageDraw.Draw.setfont(font)
.. deprecated:: 1.1.5
Sets the default font to use for the text method.
:param font: An :py:class:`~PIL.ImageFont.ImageFont` instance.